Home / 1,588.14-2,191.90-1,518.06

Finding the Fourth Proportional to 1,588.14, 2,191.90 and 1,518.06

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Solution

The fourth proportional to 1,588.14, 2,191.90 and 1,518.06 is: 2,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588.14 : 2,191.90 = 1,518.06 : x
  2. Step 2: Convert to fraction form
    1,588.14/2,191.90 = 1,518.06/x
  3. Step 3: Cross multiply
    1,588.14x = 2,191.90 × 1,518.06
  4. Step 4: Simplify right side
    1,588.14x = 3,327,435.71
  5. Step 5: Solve for x
    x = 3,327,435.71/1,588.14
  6. Step 6: Final answer
    x = 2,095.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.